Features Wide Voltage Range: Monitors 8-63V for versatile compatibility with lithium and acid batteries, ensuring accurate readings for various applications User-Friendly Controls: Easily toggle between voltage readings and battery percentage with dedicated keys for seamless operation Customizable Settings: Access multiple features like backlight activation and sleep mode, plus select battery type for tailored monitoring Compact and Safe Design: Small size for easy installation, featuring reverse connection protection to prevent damage during setup Durable Waterproof Shell: Constructed from tough PC material, this monitor is resistant to water, wear, and impacts for reliable performance in any Features: 1、Voltage Range: Multifunctional battery capacity indicator, the monitoring voltage range is 8？63V, suitable for lithium batteries, acid batteries, etc. 2、Right Setting Key: The battery tester right key can be used to toggle the voltage meter, battery percentage and turn off the battery tester. 3、Left Setting Key: The left key can be used to cycle voltmeter and battery percentage, turn on backlight, set sleep mode, select battery type, etc. 4、Easy Connection: This battery capacity meter is small and compact, easy to connect and use, with reverse connection protection to prevent burnout. 5、Waterproof Shell: The voltage indicator shell is made of PC, with waterproof , good toughn, wear resistance and resistance. Specification: Item Type: Battery Meter Material: PC Model: LY6W Voltage Range: 8-63V Package List: 1 x Battery Meter 1 x Cable Package List 1 x Battery Meter 1 x Cable